Radiant energy – Invisible radiation responsive nonelectric signalling – Luminescent device
Patent
1993-03-18
1994-10-11
Dzierzynski, Paul M.
Radiant energy
Invisible radiation responsive nonelectric signalling
Luminescent device
250337, G01T 1105
Patent
active
053549970
ABSTRACT:
Dose of radiation to which a body of crystalline material has been exposed is measured by exposing the body to optical radiation at a first wavelength, which is greater than about 540 nm, and measuring optical energy emitted from the body by luminescence at a second wavelength, which is longer than the first wavelength. Reduced background is accomplished by more thorough annealing and enhanced radiation induced luminescence is obtained by treating the crystalline material to coalesce primary damage centers into secondary damage centers.
REFERENCES:
patent: 5028794 (1991-07-01), Miller
Battelle (Memorial Institute)
Dzierzynski Paul M.
Hanig Richard
Zimmerman Paul W.
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